IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Potential Masquerading as VLC DLL
editPotential Masquerading as VLC DLL
editIdentifies instances of VLC-related DLLs which are not signed by the original developer. Attackers may name their payload as legitimate applications to blend into the environment, or embedding its malicious code within legitimate applications to deceive machine learning algorithms by incorporating authentic and benign code.
Rule type: eql
Rule indices:
- logs-endpoint.events.*
Severity: low
Risk score: 21
Runs every: 5m
Searches indices from: now-9m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References: None
Tags:
- Domain: Endpoint
- Data Source: Elastic Defend
- OS: Windows
- Use Case: Threat Detection
- Tactic: Defense Evasion
- Tactic: Persistence
- Rule Type: BBR
Version: 2
Rule authors:
- Elastic
Rule license: Elastic License v2
Rule query
editlibrary where host.os.type == "windows" and event.action == "load" and
dll.name : ("libvlc.dll", "libvlccore.dll", "axvlc.dll") and
not (
dll.code_signature.subject_name : ("VideoLAN", "716F2E5E-A03A-486B-BC67-9B18474B9D51")
and dll.code_signature.trusted == true
)
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Masquerading
- ID: T1036
- Reference URL: https://attack.mitre.org/techniques/T1036/
-
Sub-technique:
- Name: Invalid Code Signature
- ID: T1036.001
- Reference URL: https://attack.mitre.org/techniques/T1036/001/
-
Sub-technique:
- Name: Match Legitimate Name or Location
- ID: T1036.005
- Reference URL: https://attack.mitre.org/techniques/T1036/005/
-
Tactic:
- Name: Persistence
- ID: TA0003
- Reference URL: https://attack.mitre.org/tactics/TA0003/
-
Technique:
- Name: Compromise Client Software Binary
- ID: T1554
- Reference URL: https://attack.mitre.org/techniques/T1554/